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Simplifying -6(x + 4) + 66 = 3x + -9(x + -2) Reorder the terms: -6(4 + x) + 66 = 3x + -9(x + -2) (4 * -6 + x * -6) + 66 = 3x + -9(x + -2) (-24 + -6x) + 66 = 3x + -9(x + -2) Reorder the terms: -24 + 66 + -6x = 3x + -9(x + -2) Combine like terms: -24 + 66 = 42 42 + -6x = 3x + -9(x + -2) Reorder the terms: 42 + -6x = 3x + -9(-2 + x) 42 + -6x = 3x + (-2 * -9 + x * -9) 42 + -6x = 3x + (18 + -9x) Reorder the terms: 42 + -6x = 18 + 3x + -9x Combine like terms: 3x + -9x = -6x 42 + -6x = 18 + -6x Add '6x' to each side of the equation. 42 + -6x + 6x = 18 + -6x + 6x Combine like terms: -6x + 6x = 0 42 + 0 = 18 + -6x + 6x 42 = 18 + -6x + 6x Combine like terms: -6x + 6x = 0 42 = 18 + 0 42 = 18 Solving 42 = 18 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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